Volume 90, Number 3, May 2010
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||01 June 2010|
Interaction law of 2D localized precession states
Departamento de Física, FCFM, Universidad de Chile - Casilla 487-3, Santiago, Chile
2 Laboratoire de Physique des Lasers, Atomes et Molécules, CNRS UMR 8523, Centre d'Etudes et de Recherches Lasers et Applications, Université des Sciences et Technologies de Lille - 59655 Villeneuve d'Ascq Cedex, France, EU
3 Instituto de Alta Investigación, Universidad de Tarapacá - Casilla 7D, Arica, Chile
Corresponding author: email@example.com
Accepted: 3 May 2010
A theoretical study of the interaction of localized precession states on an easy-plane ferromagnetic layer submitted to a magnetic field that combines a constant and an oscillating part is reported. Within the framework the Landau-Lifshitz-Gilbert equation, we perform a comparison of analytical studies and micromagnetic simulations. Close to the parametric resonance, the parametrically driven damped nonlinear Schrödinger equation models this system. By means of this amplitude equation we are able to characterize the localized precession states and their pair interaction law. Numerically, we have a good agreement with the pair interaction law.
PACS: 89.75.Kd – Patterns / 75.10.Hk – Classical spin models / 75.25.-j – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source X-ray scattering, etc.)
© EPLA, 2010
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